On this day, April 11, in hip-hop history...

2006: Proof of D12 was killed in a gunfight in his native Detroit. According to reports, the friend and frequent collaborator of Eminem was shot four times at the CCC Club on 8 Mile Road by Mario Etheridge. The shooting too3During his career, Proof released two solo albums, 2004's I Miss the Hip-Hop Shop and 2005's acclaimed Searching for Jerry Garcia. He also contributed to his group D12's two studio albums, Devil's Night and D12 World. He is survived by his wife Sharonda Holton and his five children.

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